CN219888567U - Mute brake equipped with plastic sleeve - Google Patents
Mute brake equipped with plastic sleeve Download PDFInfo
- Publication number
- CN219888567U CN219888567U CN202320140939.2U CN202320140939U CN219888567U CN 219888567 U CN219888567 U CN 219888567U CN 202320140939 U CN202320140939 U CN 202320140939U CN 219888567 U CN219888567 U CN 219888567U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- gear
- brake pad
- plastic sleeve
- coil body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000004033 plastic Substances 0.000 title claims abstract description 55
- 229910052751 metal Inorganic materials 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims abstract description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 15
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model discloses a mute brake provided with a plastic sleeve, which comprises a coil body shell, wherein a fixed dish-shaped screw is vertically arranged at one end of the coil body shell, and a bottom plate is arranged at one end of the fixed dish-shaped screw along a direction parallel to the end face of the coil body shell; the fixed sleeve is coaxially sleeved outside the fixed dish-type screw, and two ends of the fixed sleeve respectively abut against the side surfaces of the coil body shell and the bottom plate; the armature plate slides on one end of the fixed sleeve close to the coil body shell, the gear shaft sleeve is arranged at the end part of the motor shaft, and the gear shaft sleeve axially stretches into the inner cavity of the armature plate; a plurality of external teeth are arranged on the outer side surface of the gear shaft sleeve; a gear plastic sleeve is arranged outside the gear shaft sleeve along the axial direction; a plurality of tooth sleeves are protruded on the outer wall of the gear plastic sleeve, and the tooth sleeves are covered outside the external teeth; the brake pad is arranged outside the gear plastic sleeve; the gear shaft sleeve drives the brake pad to rotate through the gear plastic sleeve, so that noise generated by metal impact is avoided.
Description
Technical Field
The utility model relates to the technical field of brakes, in particular to a mute brake provided with a plastic sleeve.
Background
The operation principle of the traditional servo brake is that when the brake is electrified, a coil generates a magnetic field to attract an armature plate to a coil housing mounting surface, an air gap originally set between the housing and the armature plate disappears along with axial movement of the armature plate, and axial gaps between the corresponding armature plate and a brake block as well as between the brake block and a bottom plate are increased. The inner tooth skeleton of the brake block is made of aluminum or iron material, and the gear shaft sleeve is made of iron material. The motor shaft drives the gear shaft sleeve, and the gear shaft sleeve drives the brake pad to rotate.
If the gear sleeve and the brake pad are too loose in fit, gaps exist between the inner teeth of the brake pad and the outer teeth of the gear sleeve, and in the rotating process, the inner teeth of the brake pad and the outer teeth of the gear sleeve collide with each other, so that noise is generated when metal pieces collide with each other.
The armature plate is separated from the brake pad under the adsorption action of the magnetic field force of the coil. If the gear shaft sleeve and the brake pad are in over-tight fit, the axial friction force and the radial extrusion force between the gear shaft sleeve and the brake pad are large, so that the brake pad cannot be separated from the bottom plate. When the gear shaft sleeve drives the brake pad to rotate, the brake pad can rub with the bottom plate.
Disclosure of Invention
The utility model aims to provide a mute brake provided with a plastic sleeve, wherein the plastic sleeve of a gear can prevent noise from being generated by metal impact between the gear sleeve and a brake pad.
In order to achieve the purpose of the utility model, the following technical scheme is adopted:
a mute brake equipped with a plastic sleeve comprises a coil body shell, wherein a fixed dish-shaped screw is vertically arranged at one end of the coil body shell, and a bottom plate is arranged at one end of the fixed dish-shaped screw, which extends out of the coil body shell, along a direction parallel to the end face of the coil body shell; the fixed sleeve is coaxially sleeved outside the dish-shaped screw for fixing, and two ends of the fixed sleeve are respectively abutted against opposite side surfaces of the coil body shell and the bottom plate; the armature plate slides on one end of the fixed sleeve close to the coil body shell;
the gear shaft sleeve is arranged at the end part of the motor shaft and axially extends into the inner cavity of the armature plate; a plurality of external teeth are arranged on the outer side surface of the gear shaft sleeve along the circumferential direction; a gear plastic sleeve is arranged outside the gear shaft sleeve along the axial direction; a plurality of tooth sleeves are protruded on the outer wall of the gear plastic sleeve along the circumferential direction, and the tooth sleeves are covered outside the external teeth;
the brake pad is arranged outside the gear plastic sleeve in a gear meshing mode; the gear shaft sleeve drives the brake pad to rotate through the gear plastic sleeve, so that noise generated by metal impact caused by direct metal contact between the gear shaft sleeve and the brake pad is avoided.
In at least one embodiment, the brake pad is between the armature plate and the base plate; and when the armature plate is released, the armature plate slides along the fixed sleeve to press the brake pad to the bottom plate, so that the braking of the motor is realized.
In at least one embodiment, the brake pad includes a body having a plurality of internal teeth arranged in a circumferential direction on a sidewall of a cavity of a center of the body; the internal teeth are engaged with the tooth sleeve.
In at least one embodiment, the brake pad further comprises a friction plate; the friction plate covers the outer edge of the body and portions of both sides of the body near the outer edge.
In at least one embodiment, the external teeth extend along an axial direction of the gear sleeve; correspondingly, the tooth sleeve extends along the axial direction of the gear plastic sleeve, and the inner teeth extend along the axial direction of the brake pad.
In at least one embodiment, a rubber ring is arranged on the side of the coil body housing opposite to the bottom plate, and the rubber ring is used for supporting an armature plate.
In at least one embodiment, copper wires are arranged within the coil body housing, which generate electromagnetic force upon energization to drive an armature plate; copper wire outlet grooves are formed in the side portions of the coil body shell, and the copper wires are led out of the copper wire outlet grooves.
Compared with the prior art, the utility model has the following beneficial effects:
in the prior art, the gear shaft sleeve is meshed with the brake pad through the metal. When the motor shaft drives the gear shaft sleeve to rotate, metal impact and noise can occur if an installation gap exists between the gear shaft sleeve and the brake pad.
In the utility model, the gear plastic sleeve is sleeved outside the gear shaft sleeve, and the gear sleeve is sleeved outside the external teeth. The brake block is installed in the outside of gear plastic cover, and the internal tooth of brake block and the tooth cover meshing of gear plastic cover. The gear plastic sleeve is made of plastic materials, namely, the inner teeth of the brake pad are meshed with the tooth sleeve of the plastic gear plastic sleeve, and the plastic tooth sleeve is meshed with the inner teeth of the brake pad. The gear sleeve and the brake pad are separated by the plastic tooth sleeve, so that direct contact between metals is avoided, and noise generated by collision between metals is avoided.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification.
Fig. 1 is a longitudinal section along a median section of a mute brake of the present utility model provided with a plastic sleeve.
Fig. 2 is a longitudinal section view of the gear sleeve of the present utility model along a mid-section.
Fig. 3 is a front view of the gear plastic sleeve brake pad of the present utility model.
Fig. 4 is a longitudinal sectional view of the brake pad of the present utility model taken along a middle section.
In the figure: 1. a coil body case; 2. a rubber ring; 3. an armature plate; 4. fixing the sleeve; 5. a bottom plate; 6. a dish-type screw for fixing; 7. a brake pad; 71. a body; 72. internal teeth; 73. a friction plate; 8. copper wire outlet groove; 9. a gear sleeve; 91. external teeth; 10. a gear plastic sleeve; 101. tooth cover.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the following description will be made in detail with reference to the technical solutions in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments.
In the prior art, the gear shaft sleeve is meshed with the brake pad through the metal. When the motor shaft drives the gear shaft sleeve to rotate, metal impact and noise can occur if an installation gap exists between the gear shaft sleeve and the brake pad.
In view of the above-described problems, the present utility model provides a mute brake provided with a plastic cover, which includes a coil housing 1, a fixing dish screw 6 is mounted vertically to one end of the coil housing 1, and the bottom plate 5 is screw-mounted to one end of the fixing dish screw 6 extending to the outside of the coil housing 1 in a direction parallel to the end surface of the coil housing 1, with reference to fig. 1 to 3. The fixed sleeve 4 is a circular pipe, the fixed sleeve 4 is coaxially sleeved outside the fixed dish-type screw 6, and two ends of the fixed sleeve 4 are respectively abutted against opposite side surfaces of the coil body shell 1 and the bottom plate 5. The armature plate 3 slides on an end of the fixing sleeve 4 near the coil body housing 1.
The gear shaft sleeve 9 is arranged at the end part of the motor shaft, and the gear shaft sleeve 9 axially extends into the inner cavity of the armature plate 3. A plurality of external teeth 91 are arranged on the outer side surface of the gear sleeve 9 in the circumferential direction. The gear plastic sleeve 10 is axially sleeved outside the gear sleeve 9 and circumferentially surrounds the gear sleeve 9. A plurality of tooth sleeves 101 are protruded on the outer wall of the gear plastic sleeve 10 along the circumferential direction, and the tooth sleeves 101 are covered on the outer part of the outer teeth 91.
The gear plastic sleeve 10 is axially penetrated in the center of the brake pad 7. The gear plastic sleeve 10 surrounds the brake pad 7 from the outer circumferential side, and the gear plastic sleeve 10 and the brake pad 7 are engaged by gear engagement. The gear shaft sleeve 9 drives the brake pad 7 to rotate through the gear plastic sleeve 10. In the process, the gear sleeve 9 and the gear plastic sleeve 10 are dispensed via the external teeth 91 and the gear sleeve 101.
The brake pad 7 includes a body 71, and a plurality of internal teeth 72 are circumferentially arranged on an inner side wall of a hollow in the center of the body 71. The gear plastic sleeve 10 and the brake pad 7 are engaged with the internal teeth 72 via the tooth sleeve 101. Wherein the gear plastic sleeve 10 (including the tooth sleeve 101) is plastic. Therefore, the gear plastic sleeve 10 prepared from plastic materials is installed and driven between the gear shaft sleeve 9 and the brake pad 7, so that the direct contact of metal materials is avoided, and the problem of noise generated by metal impact is avoided.
In another embodiment, a rubber ring 2 is disposed on a side of the coil body case 1 opposite to the bottom plate 5. Copper wires are arranged in the coil body shell 1, copper wire outlet grooves 8 are formed in the side portions of the coil body shell 1, and the copper wires are led out of the copper wire outlet grooves 8.
The copper wire is electrified to generate electromagnetic force, the armature plate 3 slides along the fixed sleeve 4 towards the direction close to the end face of the coil body shell 1 under the adsorption of the electromagnetic force, and the armature plate 3 is finally attached to the end face of the coil body shell 1 and is extruded to the rubber ring 2. The rubber ring 2 supports and buffers the armature plate 3, so that the armature plate 3 is prevented from being directly and rigidly impacted to the end face of the coil body shell 1 to cause damage.
After the armature plate 3 is separated from the brake pad 7, the axial pressing force applied to the brake pad 7 is eliminated. When the motor shaft rotates, the gear shaft sleeve 9 is driven, and the gear shaft sleeve 9 drives the brake pad 7 to rotate through the gear plastic sleeve 10.
In another embodiment, referring to fig. 1, the brake pad 7 is located between the armature plate 3 and the bottom plate 5 in the axial direction of the coil body housing 1. After the copper wire is de-energized, the electromagnetic force is removed, and the armature plate 3 is released and slides along the fixing sleeve 4 in a direction away from the coil body housing 1 under the elastic pushing force of the rubber ring 2 in the axial direction.
The armature plate 3 pushes the brake block 7 and presses the brake block 7 onto the bottom plate 5, two sides of the brake block 7 are respectively pressed and locked by the armature plate 3 and the bottom plate 5, the position of the brake block 7 is locked, and the motor shaft is braked to stop rotating.
In another embodiment, referring to fig. 4, the brake pad 7 further includes a friction plate 73, and the friction plate 73 covers the outer edge of the body 71 and portions of both sides of the body 71 near the outer edge. The longitudinal section of the friction plate 73 is a concave frame, and both sides of the frame portion of the friction plate 73 extend along the radial direction of both sides of the body 71, respectively. When the armature plate 3 presses the brake pad 7 onto the base plate 5, specifically, the armature plate 3 presses one side of the friction plate 73 and the base plate 5 presses the other side of the friction plate 73. The friction plate 73 has a large surface friction coefficient to improve the friction force of the contact surface, so that the stability can be maintained after braking, and slipping is avoided.
The external teeth 91 extend in the axial direction of the gear sleeve 9. Accordingly, the toothed sleeve 101 extends in the axial direction of the gear plastic sleeve 10. The inner teeth 72 extend in the axial direction of the brake pad 7. A tooth slot is formed between two adjacent tooth sleeves 101, the internal teeth 72 extend into the tooth slot and are meshed with the two adjacent tooth sleeves 101, so that the installation is realized, and the transmission is convenient.
Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature supporting blocks, rivets, welding and the like in the prior art, the machinery, the parts and the equipment adopt conventional types in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that details are not described in detail in the specification, and the technical field which is not known in the prior art is adopted. It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.
Claims (7)
1. A mute brake equipped with a plastic sleeve comprises a coil body shell, wherein a fixed dish-shaped screw is vertically arranged at one end of the coil body shell, and a bottom plate is arranged at one end of the fixed dish-shaped screw, which extends out of the coil body shell, along a direction parallel to the end face of the coil body shell; the fixed sleeve is coaxially sleeved outside the dish-shaped screw for fixing, and two ends of the fixed sleeve are respectively abutted against opposite side surfaces of the coil body shell and the bottom plate; the armature plate slides on the fixed sleeve's one end that is close to the coil body casing, its characterized in that:
the gear shaft sleeve is arranged at the end part of the motor shaft and axially extends into the inner cavity of the armature plate; a plurality of external teeth are arranged on the outer side surface of the gear shaft sleeve along the circumferential direction; a gear plastic sleeve is arranged outside the gear shaft sleeve along the axial direction; a plurality of tooth sleeves are protruded on the outer wall of the gear plastic sleeve along the circumferential direction, and the tooth sleeves are covered outside the external teeth;
the brake pad is arranged outside the gear plastic sleeve in a gear meshing mode; the gear shaft sleeve drives the brake pad to rotate through the gear plastic sleeve, so that noise generated by metal impact caused by direct metal contact between the gear shaft sleeve and the brake pad is avoided.
2. The plastic sleeve-configured mute brake of claim 1, wherein said brake pad is between said armature plate and said base plate; and after the armature plate is released, the armature plate slides towards the bottom plate along the fixed sleeve, and the brake pad is pressed onto the bottom plate, so that the braking of the motor is realized.
3. The mute brake provided with a plastic sleeve as claimed in claim 1, wherein the brake pad includes a body, on a side wall of a hollow of a center of which a plurality of internal teeth are arranged in a circumferential direction; the internal teeth are engaged with the tooth sleeve.
4. A mute brake provided with a plastic sleeve as claimed in claim 3, wherein the brake pad further comprises a friction plate; the friction plate covers the outer edge of the body and portions of both sides of the body near the outer edge.
5. A mute brake provided with a plastic sleeve as claimed in claim 3, wherein the external teeth extend in the axial direction of the gear sleeve; correspondingly, the tooth sleeve extends along the axial direction of the gear plastic sleeve, and the inner teeth extend along the axial direction of the brake pad.
6. A mute brake provided with a plastic sleeve as claimed in any one of claims 1 to 5, wherein a rubber ring is provided on the side of the coil housing opposite the base plate, the rubber ring being for supporting an armature plate.
7. The plastic sleeve-configured mute brake as claimed in any one of claims 1 to 5, wherein a copper wire is arranged inside the coil body case, which generates electromagnetic force to drive an armature plate after being energized; copper wire outlet grooves are formed in the side portions of the coil body shell, and the copper wires are led out of the copper wire outlet grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320140939.2U CN219888567U (en) | 2023-02-07 | 2023-02-07 | Mute brake equipped with plastic sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320140939.2U CN219888567U (en) | 2023-02-07 | 2023-02-07 | Mute brake equipped with plastic sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219888567U true CN219888567U (en) | 2023-10-24 |
Family
ID=88396478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320140939.2U Active CN219888567U (en) | 2023-02-07 | 2023-02-07 | Mute brake equipped with plastic sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219888567U (en) |
-
2023
- 2023-02-07 CN CN202320140939.2U patent/CN219888567U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |